Hammer drill



FIG. 1 is a perspective view of a hammer drill showing my new design;

FIG. 2 is right side elevational view showing the design for the hammer drill of FIG. 1;

FIG. 3 is a left side elevational view showing the design for the hammer drill of FIG. 1;

FIG. 4 is a front elevational view showing the design for the hammer drill of FIG. 1;

FIG. 5 is a rear elevational view showing the design for the hammer drill of FIG. 1;

FIG. 6 is a top elevational view showing the design for the hammer drill of FIG. 1; and,

FIG. 7 is a bottom elevational view showing the design for the hammer drill of FIG. 1.

The portions shown in broken lines form no part of the claimed design but are provided for completeness. 

The ornamental design for a hammer drill, as shown and described. 